OT-Optima Telekom d.d. (hereinafter the Company) informs the public that on 28 May 2021 received the resignations from: Mr. Igor Vavro, Mrs. Ariane Bazala-Mišetić, Mrs. Jelena Noveljić, Mrs. Blaženka Klobas, and Mr. Igor Radojković on the membership in the Supervisory Board of the Company, whose resignations are effective with effect from July 11, 2021.